Finding the Fourth Proportional to 1,158.46, 1,599.42 and 1,033.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.46 : 1,599.42 = 1,033.91 : x
2. Step 2: Convert to fraction form
   1,158.46/1,599.42 = 1,033.91/x
3. Step 3: Cross multiply
   1,158.46x = 1,599.42 × 1,033.91
4. Step 4: Simplify right side
   1,158.46x = 1,653,648.34
5. Step 5: Solve for x
   x = 1,653,648.34/1,158.46
6. Step 6: Final answer
   x = 1,427.45